Finding the Fourth Proportional to 879,848.50, 1,214,177.97 and 517,313.14
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Solution
The fourth proportional to 879,848.50, 1,214,177.97 and 517,313.14 is: 713,884.51
Step by Step Solution
- Step 1: Write the proportion equation
879,848.50 : 1,214,177.97 = 517,313.14 : x - Step 2: Convert to fraction form
879,848.50/1,214,177.97 = 517,313.14/x - Step 3: Cross multiply
879,848.50x = 1,214,177.97 × 517,313.14 - Step 4: Simplify right side
879,848.50x = 628,110,218,179.53 - Step 5: Solve for x
x = 628,110,218,179.53/879,848.50 - Step 6: Final answer
x = 713,884.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.